Commit 1c677b3d authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller

ipv4: fib: Add fib_info_hold() helper

As explained in the previous commit, modules are going to need to take a
reference on fib info and then drop it using fib_info_put().

Add the fib_info_hold() helper to make the code more readable and also
symmetric with fib_info_put().
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Suggested-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b423cb10
...@@ -397,6 +397,11 @@ static inline void fib_combine_itag(u32 *itag, const struct fib_result *res) ...@@ -397,6 +397,11 @@ static inline void fib_combine_itag(u32 *itag, const struct fib_result *res)
void free_fib_info(struct fib_info *fi); void free_fib_info(struct fib_info *fi);
static inline void fib_info_hold(struct fib_info *fi)
{
atomic_inc(&fi->fib_clntref);
}
static inline void fib_info_put(struct fib_info *fi) static inline void fib_info_put(struct fib_info *fi)
{ {
if (atomic_dec_and_test(&fi->fib_clntref)) if (atomic_dec_and_test(&fi->fib_clntref))
......
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